Stack References When Fired in Backscripts/Libraries

[Sannyasin Brahmanathaswami via use-livecode]

I was (happily) surprised today when  in a handler in a library that was put 
into use on init of the app

that a handler in

lib_initMyApp.livecodescript  # now in the msg hierarchy

on bakeBread pDaKin
   put the name of this stack
end bakeBread

Then in a top level binary stack name… e.g.

baking.livecode

if we call  "bakeBread"

we see

stack "baking.livecode"

in the msg box and not

lib_initMyApp.livecodescript

ergo "this stack" in a script only text stack in the message path is not seen 
as "itself"
but actually the target script from whence the command was issued.

So this means we don't have to parse for "the target"  yay!

Am I right? Is this dependable moving forward? Any caveats?

BR

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Re: Extra Title Bar in All Stacks

[Sannyasin Brahmanathaswami via use-livecode]

"System wide"  ?? I tried a dozen different apps, include Apple's own Pages, 
Numbers and Notes etc.

*none* of them respond to cmd-shift-T to make tabbed windows… the only 
"system-wide" is the Finder.

Adding an Apple-Mac Only Finder feature to LC  that OS X does not even 
implement this in it's other applications and where, all other apps make use of 
cmd-shift-T for some other function in that particular app, does it make sense 
to try to emulate the Mac Finder in LC Windows?  

If HQ is trying to decide if this is useful enough to spend time making it 
work; perhaps a better decision is:

disable and forget it, so that we are not "harassed" by double title bars, 
ever.  

Will any Mac User shed a tear here if this future enhancement is crossed off 
the list?

 BR

On 3/26/17, 4:13 PM, "use-livecode on behalf of Paul Hibbert via use-livecode" 
 wrote:

Ah! that’s the bit I forgot to mention, I think it is a system wide 
shortcut (it works in some other apps), I have seen it appear in the LC View 
menu, but not always for some odd reason. If you hit cmd-shift-t with the menu 
open it immediately selects Toolbar-Text, so I wonder if this is clashing 
somehow.

Paul

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Re: Line numbers for soft-wrapped styled text?

[Jim Lambert via use-livecode]

Hermann wrote:

> In sum I learned very important things in this thread:
> Using a styledText array (by Alex Tweedly).
> Using liststyles for _any_ field (by Jim Lambert).
> You could now think about making a "Sample stack" for that (livecodeshare).
> 
> One thing to remark:
> One has to adjust the "indention/oudention" by using the left margin and the
> first indent. One can even make this width-adaptive to the num of lines and
> adjust it in a way to make the numbering looking 'right aligned':
> 
> ## LineNumbering technique by Jim Lambert
> ## (applied below by for adaptive and right-aligned indention by -hh).
> ## You need a field "TEXT" of styled Text and a checkButton "ShowNumbers".
> 
> ## -- btn "showNumbers
> on mouseUp
>  if the hilite of me then showNumbers
>  else hideNumbers
> end mouseUp
> 
> ## -- fld "TEXT
> on textchanged
>  if the hilite of btn "showNumbers" then showNumbers
>  else hideNumbers
> end textchanged
> 
> on scrollbardrag
>  if the hilite of btn "showNumbers" then showNumbers
>  else hideNumbers
> end scrollbardrag
> 
> ## card script
> local rg="TEXT"
> 
> on hideNumbers
>  lock screen; lock messages
>  set the liststyle of line 1 to -1 of fld rg to empty
>  set the firstindent of line 1 to -1 of fld rg to 0
>  set the margins of fld rg to 8
>  if there is a grc rg then hide grc rg
>  unlock screen; unlock messages
> end hideNumbers
> 
> on showNumbers
>  lock screen; lock messages
>  set the hgrid of fld rg to true -- adjust to your taste
>  put the num of lines of fld rg into n0
>  -- as an empty last line is ignored by LC:
>  if char -1 of fld rg is cr then add 1 to n0
>  put length(n0) into L
>  set the borderColor of fld rg to "230,230,230"
>  put 10+L*8 into ww
>  repeat with i=1 to L
>set the firstIndent of line 10^(i-1) to 10^i-1 \
>of fld rg to -16-i*8
>  end repeat
>  set the margins of fld rg to (ww+10,8,8,8)
>  set the liststyle of line 1 to -1 of fld rg to "decimal"
>  if there is no grc rg then createNumBack rg
>  show grc rg
>  put the rect of fld rg into rct
>  set points of grc rg to \
>(ww div 2 + item 1 of rct, item 2 of rct) & \
>(ww div 2 + item 1 of rct, item 4 of rct)
>  set linesize of grc rg to ww
>  unlock screen; unlock messages
> end showNumbers
> 
> on createNumBack gg -- adust to your taste
>  if there is no grc gg then create grc rg
>  set style of grc gg to "line"
>  set capstyle of grc gg to "butt"
>  set opaque of grc gg to true
>  set the colorOverlay["color"] of grc rg to "230,230,230"
>  set blendlevel of grc rg to 70
> end createNumBack
> 
> ## known problem: incorrect 'rightalign' if after deleting the last line
> ##   the new last line is an empty one and the length of the num changes.
> ###END_OF_SCRIPT

Hermann,

That’s an elegantly full-featured solution!

JimL
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Quasi Student Secure Web Browser?

[JOHN PATTEN via use-livecode]

Hi All,

I’m attempting to create a simple secure web browser iOS app for some teachers. 
I want to prevent any links within an approved site (i.e. 
“www.approvedsite.com") that link out to others sites from launching. For 
example, if the "www.approvedsite.com" has a link out to Youtube.com, I want to 
detect that it is outside the target site and prevent it from loading in the 
browser object. If the link is within the approved site, i.e. 
"www.approvedsite.com/anotherpage.html,” I want to allow that page to load in 
the browser object.

At first I thought i would use a widget, but then did not see any command that 
would get the url. So, I switched gears and went with the mobileControlCreate 
browser strategy.  I thought I could use the browserStartedLoading command, but 
I’m not quite sure how to go about it. 

I am not sure how to capture the link url when the user clicks/taps on the link 
in the browser, and then check it against acceptable urls? 

I had this is the card script:

on browserStartedLoading pUrl
put pUrl into tUrlLoading
wait 50
answer tUrlLoading
set the itemdel to "/"
answer item 2 of tUrlLoading
if item 2 of tUrlLoading is not "www.myopenmath.com" then
answer “You can not access this site."
end if
end browserStartedLoading


Is there a better way to go about accomplishing this in LiveCode?

Thank you!

John Patten
SUSD





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Re: Line numbers for soft-wrapped styled text?

[hh via use-livecode]

> Jim L. wrote:
> Just set the liststyle of the field that contains your editable text to
> ‘decimal’. Then the lines will be automatically numbered and outdented.
> Yet conveniently, the ’text’ and the ‘styledtext’ runs will not ‘contain'
> the numbering since it is a styling.

Now I finally understood your brilliant solution. Thank you very much for that!
It beats in speed all other solutions until now.

In sum I learned very important things in this thread:
Using a styledText array (by Alex Tweedly).
Using liststyles for _any_ field (by Jim Lambert).
You could now think about making a "Sample stack" for that (livecodeshare).

One thing to remark:
One has to adjust the "indention/oudention" by using the left margin and the
first indent. One can even make this width-adaptive to the num of lines and
adjust it in a way to make the numbering looking 'right aligned':

## LineNumbering technique by Jim Lambert
## (applied below by for adaptive and right-aligned indention by -hh).
## You need a field "TEXT" of styled Text and a checkButton "ShowNumbers".

## -- btn "showNumbers
on mouseUp
  if the hilite of me then showNumbers
  else hideNumbers
end mouseUp

## -- fld "TEXT
on textchanged
  if the hilite of btn "showNumbers" then showNumbers
  else hideNumbers
end textchanged

on scrollbardrag
  if the hilite of btn "showNumbers" then showNumbers
  else hideNumbers
end scrollbardrag

## card script
local rg="TEXT"

on hideNumbers
  lock screen; lock messages
  set the liststyle of line 1 to -1 of fld rg to empty
  set the firstindent of line 1 to -1 of fld rg to 0
  set the margins of fld rg to 8
  if there is a grc rg then hide grc rg
  unlock screen; unlock messages
end hideNumbers

on showNumbers
  lock screen; lock messages
  set the hgrid of fld rg to true -- adjust to your taste
  put the num of lines of fld rg into n0
  -- as an empty last line is ignored by LC:
  if char -1 of fld rg is cr then add 1 to n0
  put length(n0) into L
  set the borderColor of fld rg to "230,230,230"
  put 10+L*8 into ww
  repeat with i=1 to L
set the firstIndent of line 10^(i-1) to 10^i-1 \
of fld rg to -16-i*8
  end repeat
  set the margins of fld rg to (ww+10,8,8,8)
  set the liststyle of line 1 to -1 of fld rg to "decimal"
  if there is no grc rg then createNumBack rg
  show grc rg
  put the rect of fld rg into rct
  set points of grc rg to \
(ww div 2 + item 1 of rct, item 2 of rct) & \
(ww div 2 + item 1 of rct, item 4 of rct)
  set linesize of grc rg to ww
  unlock screen; unlock messages
end showNumbers

on createNumBack gg -- adust to your taste
  if there is no grc gg then create grc rg
  set style of grc gg to "line"
  set capstyle of grc gg to "butt"
  set opaque of grc gg to true
  set the colorOverlay["color"] of grc rg to "230,230,230"
  set blendlevel of grc rg to 70
end createNumBack

## known problem: incorrect 'rightalign' if after deleting the last line
##   the new last line is an empty one and the length of the num changes.
###END_OF_SCRIPT
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Re: playing multiple audio files simultaneously

[Ray via use-livecode]

I'm also sticking with LC 8.1.  I thought there was a stable version of 
9 but evidently not yet.


On 3/29/2017 4:13 PM, Peter Bogdanoff via use-livecode wrote:

Using “wait” is generally not advisable…

I just have a list of all players and then give them all a pause command or set 
their filenames to empty before playing the new audio.

I saw some instability in LC 9 (crashing), so I’m sticking with 8 until those 
issues are worked out.

pb

On Mar 29, 2017, at 11:50 AM, Ray via use-livecode 
 wrote:


Thanks Peter - I'll look into 9.0 and see how it works.  I can't imagine an 
improvement in 8.x is not retained in 9.x.

To your point, I'm assuming you can't use:

  wait until sound() = "done" with messages

in order to avoid playing sounds simultaneously.  Right?

On 3/29/2017 2:34 PM, Peter Bogdanoff via use-livecode wrote:

What I’m doing now is…
I’m using the Livecode 8.1 series
Converting my QT files to wmv and putting those in the same directory as the QT 
files
Using the platform property to detect the user’s OS
Setting the file suffix to .mov or .wmv depending on that result

It works well. My issue is wanting to not have the various players play 
simultaneously—I have to stop the others when another plays!

The LC 8 player control on Mac uses AV Foundation, not QT, but does play QT 
files. On Windows, LC 8 uses DirectShow to play audio and video.

https://livecode.com/removing-quicktime-dependency-from-livecodes-player-object/

Peter

On Mar 29, 2017, at 11:07 AM, Ray via use-livecode 
 wrote:


Yes - 7.7.9.  I re-installed Quicktime and got it working, playing sounds 
simultaneously, but I'm still somewhat apprehensive since Quicktime has been 
discontinued for so long now.

Do you know of anything else Peter or are we pretty much resigned to Quicktime 
on the desktop for simultaneous sounds?

On 3/29/2017 2:02 PM, Peter Bogdanoff via use-livecode wrote:

You do have QuickTime installed on your Windows machine? …if you are trying to 
play a QT file.

Peter
  On Mar 29, 2017, at 10:40 AM, Ray via use-livecode 
 wrote:


I've lo0oked into playing multiple audio files simultaneously, for Windows and Mac 
desktops, and come up with nothing but issues. Using a player object on my Windows 8.1 
system, LC 7.1.1, I get an error of "could not open that video".  Even if it 
worked I understand there are latency issues as well as Apple discontinuing Quicktime.

I've tried SOX but for some reason can't get it to simply play an audio file 
(via a shell command).  If anybody knows the right syntax for this that would 
be great.

Otherwise, does anyone know of any alternatives compatible with Livecode?  I 
hope I'm missing something here and that Livecode itself can do this.  It seems 
odd that with all the advances Livecode has made we're still struggling aith an 
age old issue of how to play sounds.

Thanks!

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OT: CurryK Contact Updated

[Curry Kenworthy via use-livecode]

Howdy Folks,

If you tried to call me recently and didn't get through, it's fixed now!

During a family emergency and death, I wasn't able to manage the 
settings for my phone number (the number that was listed on my web page) 
and it expired. There was also a technical problem with the first 
intended replacement number that I ordered.


Today I have a new (and improved) phone number posted on my web sites 
and ready for action. Beautiful operators are standing by - somewhere 
out there, probably - meanwhile I'm here at this phone and ready to 
tackle LC issues great and small, plus awesome training for awesome 
clients. My emails haven't changed, keep 'em coming.


New addon releases are in the works and will be announced as they are ready.

Best wishes,

Curry Kenworthy

Custom Software Development
LiveCode Training and Consulting
Pompano Beach, FL, USA

http://livecodeconsulting.com/
http://curryk.com/consulting/


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Re: LiveCode's handling of Unicode glyphs being dependent on the underlying OS

[Sannyasin Brahmanathaswami via use-livecode]

Two mangos on these issues from Hawaii. As one of the users of Richmond's 
program: He and I have been 'at it" for nearly 8 year with his DevaWrite Pro, 
because the "state of the art" for rendering Sanskrit in the world of fonts is 
pretty abysmal with respect to some small but mission critical unicode glyphs 
that are simply pretty much unavailable via any standard keyboard input… if 
Richmond succeeds with this app, he will have a "dream machine" for a niche 
market that, though small, can't get the job done any other way using unicode 
easily now without going back to Type 1 fonts or setting hot lead type!  enough 
back story…

One anomaly that appears to be generated by LC 9dp5 running on Sierra 10.12.3: 
Code point U803 maps in the Unicode standard to the Extended Latin "H with dot 
underneath" character. 

for some bizarre reason, on my machine/system,  Livecode is mapping this 
character to Lucida (I think… possibly Helvetica.)

see: http://wiki.hindu.org/uploads/h-with-dot-lucida-helvetica.jpeg

Not on Richmond's machine, where it maps correctly to his DevaWriter.ttf font 
point correctly.

Livecode exports the RTF code for this character correctly as u803, but does 
not render it in the font assigned to the field.

I can make a LC stack letter sized, print to PDF save the PDF as HTML and I get 
the strange anomaly where Adobe sees the PDF output from Livecode and renders

css 

f1: {font-family:Devawriter]
f2 (font-family:Ludida}

then in the html we have this odd 

[h-with-dot-here[

But… if I set my preferences in Sublime text to default font  is Richmond's 
font: DevaWriter.tff

*then* the h with dot *is* rendered correctly in the Devawriter Font NOT in 
lucida

So this is an issue with the LC engine…

I may relate to other issues…but  nuisance here because I have no other way to 
print or render the text except via  LiveCode card. unless I opent the RTF 
output in Text Edit and manually change each "h-with-dot" back to Devawriter 
font

so why is LC not mapping U803 to the font assigned to the field? 

POINT: this does prove there is issues with rendering on different OS, since 
that character displays properly on Richmond's machine.
  

 

On 3/27/17, 2:39 AM, "use-livecode on behalf of Mark Waddingham via 
use-livecode"  wrote:

No - it is not being too clever. It is doing precisely what it should 
for the purposes of laying out text (and indeed what the CoreText engine 
on MacOS does - as that is what the engine uses). Pretty much everyone 
writing apps does not want to care about the (very complex) details of 
turning text into positioned glyphs, they just want a text string to be 
rendered how 'you would' expect, with regard to the codified rules which 
have been developed over a large number of years for typesetting 
language into a printed representation

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Re: playing multiple audio files simultaneously

[Peter Bogdanoff via use-livecode]

Using “wait” is generally not advisable…

I just have a list of all players and then give them all a pause command or set 
their filenames to empty before playing the new audio.

I saw some instability in LC 9 (crashing), so I’m sticking with 8 until those 
issues are worked out.

pb

On Mar 29, 2017, at 11:50 AM, Ray via use-livecode 
 wrote:

> Thanks Peter - I'll look into 9.0 and see how it works.  I can't imagine an 
> improvement in 8.x is not retained in 9.x.
> 
> To your point, I'm assuming you can't use:
> 
>  wait until sound() = "done" with messages
> 
> in order to avoid playing sounds simultaneously.  Right?
> 
> On 3/29/2017 2:34 PM, Peter Bogdanoff via use-livecode wrote:
>> What I’m doing now is…
>> I’m using the Livecode 8.1 series
>> Converting my QT files to wmv and putting those in the same directory as the 
>> QT files
>> Using the platform property to detect the user’s OS
>> Setting the file suffix to .mov or .wmv depending on that result
>> 
>> It works well. My issue is wanting to not have the various players play 
>> simultaneously—I have to stop the others when another plays!
>> 
>> The LC 8 player control on Mac uses AV Foundation, not QT, but does play QT 
>> files. On Windows, LC 8 uses DirectShow to play audio and video.
>> 
>> https://livecode.com/removing-quicktime-dependency-from-livecodes-player-object/
>> 
>> Peter
>> 
>> On Mar 29, 2017, at 11:07 AM, Ray via use-livecode 
>>  wrote:
>> 
>>> Yes - 7.7.9.  I re-installed Quicktime and got it working, playing sounds 
>>> simultaneously, but I'm still somewhat apprehensive since Quicktime has 
>>> been discontinued for so long now.
>>> 
>>> Do you know of anything else Peter or are we pretty much resigned to 
>>> Quicktime on the desktop for simultaneous sounds?
>>> 
>>> On 3/29/2017 2:02 PM, Peter Bogdanoff via use-livecode wrote:
 You do have QuickTime installed on your Windows machine? …if you are 
 trying to play a QT file.
 
 Peter
  On Mar 29, 2017, at 10:40 AM, Ray via use-livecode 
  wrote:
 
> I've lo0oked into playing multiple audio files simultaneously, for 
> Windows and Mac desktops, and come up with nothing but issues. Using a 
> player object on my Windows 8.1 system, LC 7.1.1, I get an error of 
> "could not open that video".  Even if it worked I understand there are 
> latency issues as well as Apple discontinuing Quicktime.
> 
> I've tried SOX but for some reason can't get it to simply play an audio 
> file (via a shell command).  If anybody knows the right syntax for this 
> that would be great.
> 
> Otherwise, does anyone know of any alternatives compatible with Livecode? 
>  I hope I'm missing something here and that Livecode itself can do this.  
> It seems odd that with all the advances Livecode has made we're still 
> struggling aith an age old issue of how to play sounds.
> 
> Thanks!
> 
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Re: playing multiple audio files simultaneously

[Ray via use-livecode]

Peter - this is working well now.  Thanks for the link, very informative.

On 3/29/2017 2:34 PM, Peter Bogdanoff via use-livecode wrote:

What I’m doing now is…
I’m using the Livecode 8.1 series
Converting my QT files to wmv and putting those in the same directory as the QT 
files
Using the platform property to detect the user’s OS
Setting the file suffix to .mov or .wmv depending on that result

It works well. My issue is wanting to not have the various players play 
simultaneously—I have to stop the others when another plays!

The LC 8 player control on Mac uses AV Foundation, not QT, but does play QT 
files. On Windows, LC 8 uses DirectShow to play audio and video.

https://livecode.com/removing-quicktime-dependency-from-livecodes-player-object/

Peter

On Mar 29, 2017, at 11:07 AM, Ray via use-livecode 
 wrote:


Yes - 7.7.9.  I re-installed Quicktime and got it working, playing sounds 
simultaneously, but I'm still somewhat apprehensive since Quicktime has been 
discontinued for so long now.

Do you know of anything else Peter or are we pretty much resigned to Quicktime 
on the desktop for simultaneous sounds?

On 3/29/2017 2:02 PM, Peter Bogdanoff via use-livecode wrote:

You do have QuickTime installed on your Windows machine? …if you are trying to 
play a QT file.

Peter
  On Mar 29, 2017, at 10:40 AM, Ray via use-livecode 
 wrote:


I've lo0oked into playing multiple audio files simultaneously, for Windows and Mac 
desktops, and come up with nothing but issues. Using a player object on my Windows 8.1 
system, LC 7.1.1, I get an error of "could not open that video".  Even if it 
worked I understand there are latency issues as well as Apple discontinuing Quicktime.

I've tried SOX but for some reason can't get it to simply play an audio file 
(via a shell command).  If anybody knows the right syntax for this that would 
be great.

Otherwise, does anyone know of any alternatives compatible with Livecode?  I 
hope I'm missing something here and that Livecode itself can do this.  It seems 
odd that with all the advances Livecode has made we're still struggling aith an 
age old issue of how to play sounds.

Thanks!

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Re: playing multiple audio files simultaneously

[Ray via use-livecode]

Thanks Peter - I'll look into 9.0 and see how it works.  I can't imagine 
an improvement in 8.x is not retained in 9.x.


To your point, I'm assuming you can't use:

  wait until sound() = "done" with messages

in order to avoid playing sounds simultaneously.  Right?

On 3/29/2017 2:34 PM, Peter Bogdanoff via use-livecode wrote:

What I’m doing now is…
I’m using the Livecode 8.1 series
Converting my QT files to wmv and putting those in the same directory as the QT 
files
Using the platform property to detect the user’s OS
Setting the file suffix to .mov or .wmv depending on that result

It works well. My issue is wanting to not have the various players play 
simultaneously—I have to stop the others when another plays!

The LC 8 player control on Mac uses AV Foundation, not QT, but does play QT 
files. On Windows, LC 8 uses DirectShow to play audio and video.

https://livecode.com/removing-quicktime-dependency-from-livecodes-player-object/

Peter

On Mar 29, 2017, at 11:07 AM, Ray via use-livecode 
 wrote:


Yes - 7.7.9.  I re-installed Quicktime and got it working, playing sounds 
simultaneously, but I'm still somewhat apprehensive since Quicktime has been 
discontinued for so long now.

Do you know of anything else Peter or are we pretty much resigned to Quicktime 
on the desktop for simultaneous sounds?

On 3/29/2017 2:02 PM, Peter Bogdanoff via use-livecode wrote:

You do have QuickTime installed on your Windows machine? …if you are trying to 
play a QT file.

Peter
  On Mar 29, 2017, at 10:40 AM, Ray via use-livecode 
 wrote:


I've lo0oked into playing multiple audio files simultaneously, for Windows and Mac 
desktops, and come up with nothing but issues. Using a player object on my Windows 8.1 
system, LC 7.1.1, I get an error of "could not open that video".  Even if it 
worked I understand there are latency issues as well as Apple discontinuing Quicktime.

I've tried SOX but for some reason can't get it to simply play an audio file 
(via a shell command).  If anybody knows the right syntax for this that would 
be great.

Otherwise, does anyone know of any alternatives compatible with Livecode?  I 
hope I'm missing something here and that Livecode itself can do this.  It seems 
odd that with all the advances Livecode has made we're still struggling aith an 
age old issue of how to play sounds.

Thanks!

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Re: playing multiple audio files simultaneously

[Peter Bogdanoff via use-livecode]

What I’m doing now is…
I’m using the Livecode 8.1 series
Converting my QT files to wmv and putting those in the same directory as the QT 
files
Using the platform property to detect the user’s OS
Setting the file suffix to .mov or .wmv depending on that result

It works well. My issue is wanting to not have the various players play 
simultaneously—I have to stop the others when another plays!

The LC 8 player control on Mac uses AV Foundation, not QT, but does play QT 
files. On Windows, LC 8 uses DirectShow to play audio and video.

https://livecode.com/removing-quicktime-dependency-from-livecodes-player-object/

Peter

On Mar 29, 2017, at 11:07 AM, Ray via use-livecode 
 wrote:

> Yes - 7.7.9.  I re-installed Quicktime and got it working, playing sounds 
> simultaneously, but I'm still somewhat apprehensive since Quicktime has been 
> discontinued for so long now.
> 
> Do you know of anything else Peter or are we pretty much resigned to 
> Quicktime on the desktop for simultaneous sounds?
> 
> On 3/29/2017 2:02 PM, Peter Bogdanoff via use-livecode wrote:
>> You do have QuickTime installed on your Windows machine? …if you are trying 
>> to play a QT file.
>> 
>> Peter
>>  On Mar 29, 2017, at 10:40 AM, Ray via use-livecode 
>>  wrote:
>> 
>>> I've lo0oked into playing multiple audio files simultaneously, for Windows 
>>> and Mac desktops, and come up with nothing but issues. Using a player 
>>> object on my Windows 8.1 system, LC 7.1.1, I get an error of "could not 
>>> open that video".  Even if it worked I understand there are latency issues 
>>> as well as Apple discontinuing Quicktime.
>>> 
>>> I've tried SOX but for some reason can't get it to simply play an audio 
>>> file (via a shell command).  If anybody knows the right syntax for this 
>>> that would be great.
>>> 
>>> Otherwise, does anyone know of any alternatives compatible with Livecode?  
>>> I hope I'm missing something here and that Livecode itself can do this.  It 
>>> seems odd that with all the advances Livecode has made we're still 
>>> struggling aith an age old issue of how to play sounds.
>>> 
>>> Thanks!
>>> 
>>> ___
>>> use-livecode mailing list
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>>> subscription preferences:
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>> 
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Re: Line numbers for soft-wrapped styled text?

[Jim Lambert via use-livecode]

Richard wrote:

> This morning Jim Lambert emailed me a very different solution that I 
> thought would be worth sharing here.
> 
> Here he uses the engine's own metrics for calculating vertical line 
> spacings, by having the number field placed below the editable text 
> field, setting its width to that of the editable field + a left margin 
> in which he uses the engine's support for numeric list styles to draw 
> the line numbers:
> 
> on textchanged
>lock screen
>set the htmltext of fld "nums" to the htmltext of me
>set the liststyle of line 1 to -1 of fld nums to "decimal"
>set the scroll of fld "nums" to the scroll of me
> end textchanged
> 
> The only downside I can see to this approach is for memory, as it 
> requires copying the full styled text from the source field into the 
> line number field.


Now that I think about it, I’ve overcomplicated things.
You don’t need two fields at all.
Just set the liststyle of the field that contains your editable text to 
‘decimal’.
Then the lines will be automatically numbered and outdented.
Yet conveniently, the ’text’ and the ‘styledtext’ runs will not ‘contain' the 
numbering since it is a styling.

Of course, this still doesn’t allow you to get rid of the trailing period on 
the numbers.

Jim Lambert
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Re: playing multiple audio files simultaneously

[Ray via use-livecode]

Yes - 7.7.9.  I re-installed Quicktime and got it working, playing 
sounds simultaneously, but I'm still somewhat apprehensive since 
Quicktime has been discontinued for so long now.


Do you know of anything else Peter or are we pretty much resigned to 
Quicktime on the desktop for simultaneous sounds?


On 3/29/2017 2:02 PM, Peter Bogdanoff via use-livecode wrote:

You do have QuickTime installed on your Windows machine? …if you are trying to 
play a QT file.

Peter
  
On Mar 29, 2017, at 10:40 AM, Ray via use-livecode  wrote:



I've lo0oked into playing multiple audio files simultaneously, for Windows and Mac 
desktops, and come up with nothing but issues. Using a player object on my Windows 8.1 
system, LC 7.1.1, I get an error of "could not open that video".  Even if it 
worked I understand there are latency issues as well as Apple discontinuing Quicktime.

I've tried SOX but for some reason can't get it to simply play an audio file 
(via a shell command).  If anybody knows the right syntax for this that would 
be great.

Otherwise, does anyone know of any alternatives compatible with Livecode?  I 
hope I'm missing something here and that Livecode itself can do this.  It seems 
odd that with all the advances Livecode has made we're still struggling aith an 
age old issue of how to play sounds.

Thanks!

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Re: playing multiple audio files simultaneously

[Peter Bogdanoff via use-livecode]

You do have QuickTime installed on your Windows machine? …if you are trying to 
play a QT file.

Peter
 
On Mar 29, 2017, at 10:40 AM, Ray via use-livecode 
 wrote:

> I've lo0oked into playing multiple audio files simultaneously, for Windows 
> and Mac desktops, and come up with nothing but issues. Using a player object 
> on my Windows 8.1 system, LC 7.1.1, I get an error of "could not open that 
> video".  Even if it worked I understand there are latency issues as well as 
> Apple discontinuing Quicktime.
> 
> I've tried SOX but for some reason can't get it to simply play an audio file 
> (via a shell command).  If anybody knows the right syntax for this that would 
> be great.
> 
> Otherwise, does anyone know of any alternatives compatible with Livecode?  I 
> hope I'm missing something here and that Livecode itself can do this.  It 
> seems odd that with all the advances Livecode has made we're still struggling 
> aith an age old issue of how to play sounds.
> 
> Thanks!
> 
> ___
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> Please visit this url to subscribe, unsubscribe and manage your subscription 
> preferences:
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playing multiple audio files simultaneously

[Ray via use-livecode]

I've lo0oked into playing multiple audio files simultaneously, for 
Windows and Mac desktops, and come up with nothing but issues. Using a 
player object on my Windows 8.1 system, LC 7.1.1, I get an error of 
"could not open that video".  Even if it worked I understand there are 
latency issues as well as Apple discontinuing Quicktime.


I've tried SOX but for some reason can't get it to simply play an audio 
file (via a shell command).  If anybody knows the right syntax for this 
that would be great.


Otherwise, does anyone know of any alternatives compatible with 
Livecode?  I hope I'm missing something here and that Livecode itself 
can do this.  It seems odd that with all the advances Livecode has made 
we're still struggling aith an age old issue of how to play sounds.


Thanks!

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Re: Object Selection Handles

[Bob Sneidar via use-livecode]

Actually, I really appreciate Adobe Illustrator's object properties dialog. 
Sometimes I LIKE being able to define an object's dimensions by typing in 
coordinates. CAD designers do this all the time. Of course, advanced features 
like snap to point make this mostly obsolete, but if you need a wall that is x 
by y by z it is MUCH easier to type in the dimensions than try to drag it to 
spec. 

Bob S


> On Mar 28, 2017, at 12:43 , Sannyasin Brahmanathaswami via use-livecode 
>  wrote:
> 
> -- Graphic designers don't switch to console and start typing "set the rect 
> of some object to X,X,X,X"   "never gonna happen"


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Re: specialFolderPath("resources") on Mac with trailing slash

[Richard Gaskin via use-livecode]

panagiotis wrote:
> On Wed, Mar 29, 2017 at 9:43 AM, Tiemo Hollmann TB wrote:
>
>> LC 8.1.3: getting the specialFolderPath("resources") comes on Mac &
>> Win without trailing slash.
>>
>> On Win I also don't get a trailing slash in a standalone.
>>
>> BUT in a MacOS 10.12 standalone I get a trailing slash!
>>
>> Is this a wanted "feature" which I have to script around, or is this
>> a bug I should file?
>
> This is a bug, which will be fixed in LiveCode 8.1.4 RC-1:
>
> http://quality.livecode.com/show_bug.cgi?id=18619

This is also a good reminder about code style for those of us who write 
libraries:


The engine is pretty consistent about not including the trailing slash 
with values returned from functions that are folder paths.


Indeed where it does, as we've seen here, it's probably a bug.

If we all follow that convention it can reduce the learning curve for 
your APIs, and allow one to swap out one function for another with 
relative ease.


I used to write my own folder path functions that included the trailing 
slash.  Seemed like a good idea at the time, since it saved me from 
having to include the slash when concatenating with a file name later on.


But I found over time that I had to think about things too much, to keep 
track of which functions included the slash and which didn't, so I could 
concatenate correctly, avoiding double slashes.


No more.  Now I follow the engine convention of not including the 
trailing slash, and life is that much simpler. :)


--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com

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Re: Line numbers for soft-wrapped styled text?

[hh via use-livecode]

Alex,
before you waste valuable time:
The formattedRect can NOT be used in LC 7/8/9, because of the
(2^15 div 2)-limit for coordinates is active for that.

So the algorithm works in LC 6.7.11, but the results are sadly
'extremely' wrong in LC 7/8/9:
Crossing the 'limit' with a vertical coordinate jumps to negative
values for these coordinates. No chance to repair.

Using instead the formattedHeight of line 1 to N minus the
vscroll works. But it is not exactly doable if the last line is
empty (this is not added to the formattedHeight) = your space-below
problem -- a bug, TMHO.

I found another "dirty" but fast way to get pixel-exact line
positions for any field in LC 6/7/8/9. One could perhaps use it
until the text measuring problem is solved.

One needs a field that is transparent, is not threeD and has no
border (use instead an opaque rectangle with border as background).
Then set the hgrid to true (this has no visual effect if using as
borderColor the backColor of the graphic behind the field, for
testing I set the borderColor to red).
Now make a snapshot from the field and walk through the maskData
to search all such rows in the image that have a fully opaque
line. This is unique as long as the field has left and right
margins > 0.
This search in the image is *very fast* (< 2 ms), only taking the
snapshot and getting the maskdata needs some time (around 70 ms in
sum for 414x736 pixels).

A script that works here correctly with my tests is attached below.
It needs here in LC 9 about 120 ms for 4000 lines of heavily styled
text from the dictionary in a field of iPhone6 size (414x736).
Please change/improve/optimize it, especially the search part. This
is still the 'simple' binary search.

Hermann

You need a field "TEXT" (transparent etc, see above) and a
template-num-field "n00" (see my settings below as example).
Fields for feedback: "Range", "timing1", "timing2", "info"
= [1] The field's script
on textchanged
 updateNbs2
end textchanged

on scrollbardrag
 updateNbs2
end scrollbardrag
= [2] The numbering script (100 lines)
local nn="lineNumbers",l0,t0,b0,w0,h0,sw0,v0
local rg="TEXT", fw=32 -- num-field width

on updateNbs2
 lock screen; lock messages
 put the millisecs into m0  start
 put the top of fld rg into t0
 put the bottom of fld rg into b0
 put the left of fld rg into l0
 put the width of fld rg into w0
 put the height of fld rg into h0
 put the vscroll of fld rg into v0
 put the scrollbarwidth of fld rg into sw0
 set the properties of the templatefield to \
 the properties of fld "n00" -- see below
 if there is a grp nn then delete grp nn
 create grp nn
 set lockloc of grp nn to true
 set opaque of grp nn to true
 set backColor of grp nn to "204,204,204"
 set lockloc of grp nn to true
 set width of grp nn to fw
 set height of grp nn to the height of fld "text"
 set topleft of grp nn to l0-fw, t0
 set layer of grp nn to 1
 put the millisecs into m1  diff1
 put visibleTextLines()-1 into tL
 put the millisecs into m2  diff2
 put getLocs() into g
 put the millisecs into m3  diff3
 put "Lines: " & (tL,tL-1+the num of lines of g) \
  into fld "range"
 repeat for each line L in g
   put item 2 of L into i
   put ("n") into ni
   if there is a fld ni then delete fld ni
   create fld ni in grp nn
   set left of fld ni to l0-fw+2
   set top of fld ni to i-10
   put tL into fld ni
   add 1 to tL
 end repeat
 reset the templatefield
 put the millisecs into m4  diff4
 put (m4-m0 &"="& m2-m1 &"+"& m3-m2 &"+"& m4-m3+m1-m0) & \
 " ms" into fld "timing"
 unlock screen; unlock messages
end updateNbs2

function getLocs
 put the millisecs into m0 - start
 set topleft of img rg to \
 (5+the right of fld rg, the top of fld rg)
 put w0-sw0 into w1
 put the millisecs into m1 - diff1
 export snapshot from fld rg to img rg as PNG
 put the millisecs into m2 - diff2
 put the maskdata of img rg into mData
 put the millisecs into m3 - diff3
 put NumToByte(255) into c1
 repeat 1+log2(w1)
   put c1 after c1
 end repeat
 put byte 1 to w1 of c1 into c00
 put the millisecs into m4 - diff4
 repeat with i=1 to h0
   put (i-1)*w0 into i0
   if byte i0+1 to i0+w1 of mData is c00
   then put cr&(0,t0+i) after s
 end repeat
 -- avoid overlapping:
 -- put (0,min(t0,10+item 2 of line 1 of s)) before s
 put cr & (0,max(h0+t0,10+item 2 of line -1 of s)) after s
 put s into fld "info"
 put the millisecs into m5 - diff5
 put (m5-m0 &"="& m2-m1 &"+"& m3-m2 &"+"& m5-m3+m1-m0) & \
   " ms" into fld "timing2"
 return char 2 to -1 of s
end getLocs

function visibleTextLines
 lock screen; lock messages
 put the selectedChunk into sc
 put the scrollbarWidth of fld rg into sw
 put the margins of fld rg into m
 put (m,m,m,m) into m -- now we have at least 4 items
 put the num of lines of fld rg into n
 put findTopLine(v0+t0-1+item 4 of m,1,n) into L1
 return L1-1
end visibleTextLines

AW: specialFolderPath("resources") on Mac with trailing slash

[Tiemo Hollmann TB via use-livecode]

Thanks for the quick answer :)
Tiemo

-Ursprüngliche Nachricht-
Von: use-livecode [mailto:use-livecode-boun...@lists.runrev.com] Im Auftrag
von panagiotis merakos via use-livecode
Gesendet: Mittwoch, 29. März 2017 10:49
An: How to use LiveCode 
Cc: panagiotis merakos 
Betreff: Re: specialFolderPath("resources") on Mac with trailing slash

Hi Tiemo,

This is a bug, which will be fixed in LiveCode 8.1.4 RC-1:

http://quality.livecode.com/show_bug.cgi?id=18619

Best,
Panos
--

On Wed, Mar 29, 2017 at 9:43 AM, Tiemo Hollmann TB via use-livecode <
use-livecode@lists.runrev.com> wrote:

> Hello,
>
> LC 8.1.3: getting the specialFolderPath("resources") comes on Mac & 
> Win without trailing slash.
>
> On Win I also don't get a trailing slash in a standalone.
>
> BUT in a MacOS 10.12 standalone I get a trailing slash!
>
> Is this a wanted "feature" which I have to script around, or is this a 
> bug I should file?
>
> What do you think?
>
> Tiemo
>
>
>
>
>
>
>
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Re: specialFolderPath("resources") on Mac with trailing slash

[panagiotis merakos via use-livecode]

Hi Tiemo,

This is a bug, which will be fixed in LiveCode 8.1.4 RC-1:

http://quality.livecode.com/show_bug.cgi?id=18619

Best,
Panos
--

On Wed, Mar 29, 2017 at 9:43 AM, Tiemo Hollmann TB via use-livecode <
use-livecode@lists.runrev.com> wrote:

> Hello,
>
> LC 8.1.3: getting the specialFolderPath("resources") comes on Mac & Win
> without trailing slash.
>
> On Win I also don't get a trailing slash in a standalone.
>
> BUT in a MacOS 10.12 standalone I get a trailing slash!
>
> Is this a wanted "feature" which I have to script around, or is this a bug
> I
> should file?
>
> What do you think?
>
> Tiemo
>
>
>
>
>
>
>
> ___
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specialFolderPath("resources") on Mac with trailing slash

[Tiemo Hollmann TB via use-livecode]

Hello,

LC 8.1.3: getting the specialFolderPath("resources") comes on Mac & Win
without trailing slash.

On Win I also don't get a trailing slash in a standalone.

BUT in a MacOS 10.12 standalone I get a trailing slash!

Is this a wanted "feature" which I have to script around, or is this a bug I
should file?

What do you think?

Tiemo

 

 

 

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